Am 5/7/2014 0:59, schrieb dturner@xxxxxxxxxxxxxxxx:
> From: David Turner <dturner@xxxxxxxxxxx>
>
> Make it possible to change the case of a filename on a
> case-insensitive filesystem using git mv. Change git mv to allow
> moves where the destination file exists if either the destination file
> has the same inode as the source file (for Mac) or the same name
> ignoring case (for Win).
>
> Signed-off-by: David Turner <dturner@xxxxxxxxxxx>
> ---
> builtin/mv.c | 18 ++++++++++--------
> t/t6039-merge-ignorecase.sh | 2 +-
> 2 files changed, 11 insertions(+), 9 deletions(-)
>
> diff --git a/builtin/mv.c b/builtin/mv.c
> index 45e57f3..8cead13 100644
> --- a/builtin/mv.c
> +++ b/builtin/mv.c
> @@ -74,7 +74,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
> };
> const char **source, **destination, **dest_path, **submodule_gitfile;
> enum update_mode { BOTH = 0, WORKING_DIRECTORY, INDEX } *modes;
> - struct stat st;
> + struct stat src_st,dst_st;
> struct string_list src_for_dst = STRING_LIST_INIT_NODUP;
>
> gitmodules_config();
> @@ -102,8 +102,8 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
> if (dest_path[0][0] == '\0')
> /* special case: "." was normalized to "" */
> destination = internal_copy_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
> - else if (!lstat(dest_path[0], &st) &&
> - S_ISDIR(st.st_mode)) {
> + else if (!lstat(dest_path[0], &dst_st) &&
> + S_ISDIR(dst_st.st_mode)) {
> dest_path[0] = add_slash(dest_path[0]);
> destination = internal_copy_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
> } else {
> @@ -122,13 +122,13 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
> printf(_("Checking rename of '%s' to '%s'\n"), src, dst);
>
> length = strlen(src);
> - if (lstat(src, &st) < 0)
> + if (lstat(src, &src_st) < 0)
> bad = _("bad source");
> else if (!strncmp(src, dst, length) &&
> (dst[length] == 0 || dst[length] == '/')) {
> bad = _("can not move directory into itself");
> - } else if ((src_is_dir = S_ISDIR(st.st_mode))
> - && lstat(dst, &st) == 0)
> + } else if ((src_is_dir = S_ISDIR(src_st.st_mode))
> + && lstat(dst, &dst_st) == 0)
> bad = _("cannot move directory over file");
> else if (src_is_dir) {
> int first = cache_name_pos(src, length);
> @@ -202,14 +202,16 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
> }
> } else if (cache_name_pos(src, length) < 0)
> bad = _("not under version control");
> - else if (lstat(dst, &st) == 0) {
> + else if (lstat(dst, &dst_st) == 0 &&
> + (src_st.st_ino != dst_st.st_ino ||
> + (src_st.st_ino == 0 && strcasecmp(src, dst)))) {
Don't do that. st_ino is zero on Windows only because we do not spend time
to fill in the field. Don't use it as an indicator for a case-insensitive
file system; zero may be a valid inode number on other systems.
> bad = _("destination exists");
> if (force) {
> /*
> * only files can overwrite each other:
> * check both source and destination
> */
> - if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) {
> + if (S_ISREG(dst_st.st_mode) || S_ISLNK(dst_st.st_mode)) {
> if (verbose)
> warning(_("overwriting '%s'"), dst);
> bad = NULL;
> diff --git a/t/t6039-merge-ignorecase.sh b/t/t6039-merge-ignorecase.sh
> index ad06752..28cfb49 100755
> --- a/t/t6039-merge-ignorecase.sh
> +++ b/t/t6039-merge-ignorecase.sh
> @@ -35,7 +35,7 @@ test_expect_success 'merge with case-changing rename on both sides' '
> git reset --hard baseline &&
> git branch -D with-camel &&
> git checkout -b with-camel &&
> - git mv --force TestCase testcase &&
> + git mv TestCase testcase &&
> git commit -m "recase on branch" &&
> > foo &&
> git add foo &&
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